Ocean productivity is not:
a. the amount of food marine organisms can produce
b. a leading field of research.
c. the amount of organisms actually harvested each year by people.
d. the number of organisms the ocean can support.
c
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Use a description of C. elegans development to distinguish clearly between differentiation and determination
What will be an ideal response?
If you were developing a transgenic strain of pest-resistant watermelons, which federal agency would primarily be responsible for regulating this biotech product?
A) FDA B) DEP C) USDA D) EPA E) DOT
Which one of the following statements is TRUE regarding the structure of a muscle?
A) The outer surface of a muscle is enclosed by many layers of epidermis. B) All muscle cells in a muscle have the same origin and insertion. C) Fascicles of a muscle are surrounded by a thin sheath of hyaline cartilage. D) Connective tissues associated with the muscle converge to form a ligament at each end of the muscle. E) Each fascicle consists of two muscle cells.
Copyright© The Mc-Graw-Hill Companies,Inc, Permission Required for reproduction or display.Based on a variety of experiments, it is known that the rate of photosynthesis is highest when wavelengths of light between 400 and 500 nm are used, and when wavelengths around 700 nm are used. What does this indicate about the relative importance of chlorophyll a and b in photosynthesis?
A. Reflection of light by chlorophyll a and b is essential for the process of photosynthesis B. Absorption of light by chlorophyll a and b is essential for the process of photosynthesis C. Transmission of light by chlorophyll a and b is essential for the process of photosynthesis D. Chlorophyll a and b are much less important than other pigments in the reflection, absorption and transmission of light relevant to photosynthesis